 GEOLOGIST. a In calculating the metal content of the ores from assays allowance has been made for smelting losses in the case of zinc but not in the case of lead. In comparing the values of ore and metal it should be borne in mind that the value given...  Minerals Yearbook - Página 2991945Visualização integral - Acerca deste livro
 | United States. Bureau of Mines - 1921 - 1278 páginas
...been made for smelting losses of zinc but not of lead. In comparing the values of ore and metal it should be borne in mind that the value given for the ore is that actually received by the producer, while the value of the lead is calculated from the average sales price for all grades and that of zinc... | |
 | United States. Bureau of Mines - 1916 - 1090 páginas
...case of zinc but not in case of lead. In comparing the values of ore and of metal it should bo home in mind that the value given for the ore is that actually received by the producer, whereas the value ol the metal is calculated from the average daily quotations at New York and St. Louis. Tenor of lead... | |
 | 1911 - 632 páginas
...smelting lo in cane of zinc but not in the case of lead. In comparing the values of ore and metal it should be borne in mind that the value given for the ore is that actually received by the producer, while toe value of Uie metal is calculated from the average daily quotations at New York and St. Louis.... | |
 | United States. Bureau of Mines - 1911 - 632 páginas
...in case of zinc but not in the case of le.id. Tn comparing the values of ore and metal it should l>o borne in mind that the value given for the ore is that actually received by the producer, while the vnlue of the metal is calculated from the average dally quotations at New York and St. Louis.... | |
 | United States. Bureau of Mines - 1911 - 632 páginas
...smelting losses In case of zinc but not in the case of lead. In comparing tlic values of ore and metal il should be borne in mind that the value given for the ore Is that actually nwlveil liy the producer, while the value of the metal is calculated Irom the average daily quotations... | |
 | 1912 - 1062 páginas
...separating losses in case of zinc, but not in case of lead. In comparing the values of ore and metal it should be borne In mind that the value given for the ore is that actually received bv the producer and that the value of the metal is calculated from the average daily quotations at... | |
 | Missouri.Bureau of Geology and Mines - 1915 - 302 páginas
...losses in the case of zinc but not in the case of lead. In comparing the values of ore and metal it should be borne in mind that the value given for the...received by the producer, whereas the value of the lead is calculated from the average daily quotations at New York. The price of sine for 1915 is the average... | |
 | 1915 - 1044 páginas
...losses in the case of zinc but not in the case of lead. In comparing the values of ore and metal it should be borne in mind that the value given for the ore is that actually received by the producer and that the value of the metal is calculated from the average daily quotations at New York and St.... | |
 | 1915 - 1046 páginas
...concentration lessen in the case of line but not in the cue of lead. In comparing the T*li and metal it should be borne in mind that the value given for the ore is that actually rec«v producer and that the value of the metal is calculated from the average daily quotation* at... | |
 | United States. Bureau of Mines - 1916 - 1150 páginas
...losses In the case of rinc but not in the case of lead. In comparing the values of ore and metal it should be borne In mind that the value given for the ore Li that actually received by the producer, whereas the value ol the metal is calculated from the average... | |
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